If you're an adult male who is looking for a classic timepiece for your collection, consider the Citizen Signature Collection Moon Phase EcoDrive Chronograph AV3006-50H wristwatch. The entire watch is crafted from stainless steel, but small features of the watch are coated in gold to make it more stunning. This men's watch features a round analog display that is a gray steel color. The 2, 4, 8, and 10 indicators and the hands are a striking white ivory and framed in gold. In addition to the main display, there are four smaller displays that indicate the hours, minutes, and the seconds separately. The fourth display show the phases of the moon. Keeping eco-friendliness in mind, this watch is fueled by light, so you will never need to remember to replace the battery.